What kinds of everyday objects use levers? What do pulleys do? Questions such as these are answered in this age-appropriate text about the science behind levers and pulleys, which is a essential physical science concept. Fact boxes, informative diagrams, and vivid, full-color photographs add extra insight, appealing to budding scientists who are curious about machines and the parts that make them function. Readers are exposed to STEM topics in a fun and relatable way as they are encouraged to see science in action in their everyday lives.